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Toxic nutritional optic neuropathy (TON)

Toxic optic neuropathy are a group of conditions manifested by reduction of visual functions secondary to damage to the anterior visual pathways from exposure to a toxin. The implicated toxin could be work-based, food or drink related, or iatrogenic medication....

Bosch-Boonstro-Schaaff optic atrophy syndrome (BBSOAS) NR2F1 mutation

An experienced ophthalmologist can make an anatomical diagnosis of childhood visual impairment based upon the surgical sieve, i.e., congenital and acquired. But an ophthalmologist cannot work in isolation to make an aetiological diagnosis – one would require the help of...

Pegcetacoplan: A breakthrough treatment for dry age-related macular degeneration?

Age-related macular degeneration (AMD) is a degenerative condition affecting the macula, the part of the retina responsible for central vision. It is characterised by the presence of drusen and retinal pigment epithelium (RPE) abnormalities in the absence of other macular...

Optical Suppliers Association creates Sustainability Committee

The OSA will be holding their first Sustainability Committee meeting on Friday 23 July.

Recurrent unilateral preseptal cellulitis secondary to herpes simplex virus infection

Introduction Periorbital (sometimes called preseptal cellulitis) is a common condition which on its own is not normally an ophthalmic or surgical emergency, however it has the potential to cause severe and serious morbidity in cases where the infection has crossed...

Thinking outside the box – adapting to the COVID-19 lockdown

How can we avoid further delays to follow-up in glaucoma patients? The author asks if there is a socially distanced way to check IOPs in those at high risk of losing vision. Glaucoma is an asymptomatic condition. Loss of the...

DMEK vs. UT-DSAEK: has the debate been finally concluded?

In recent years the surgical treatment of corneal endothelial dystrophy has progressed tremendously. Descemet’s membrane endothelial keratoplasty (DMEK) is the newest iteration in the line of rapid surgical advances that has taken place. However, the previously accepted gold standard prior...

Low vision support in teenagers

As society places increasing emphasis on mental health and access to technology increases, the structure and prioritisation within low vision appointments is evolving. These changes bring new challenges and demands in terms of our clinical support, requiring us to consider...

Superior oblique muscle tuck

The authors investigate the efficacy and safety of isolated superior oblique tucking in patients with congenital superior oblique palsy. The study includes 21 cases: eight females and 13 males aged 2-34 years. All had obvious superior oblique under action and...

Topical anaesthetic strabismus surgery

This prospective observation study was undertaken with 16 symptomatic diplopia patients (15 male, one female) from various causes. All underwent single stage adjustable strabismus surgery (SSASS) under topical anaesthesia. Mean age was 28.12 years (range 19-65) and all had a...

Corneal and astigmatic changes after medial rectus recession surgery of 6mm

This study prospectively compared changes in astigmatism before and two months after unilateral recession of medial rectus muscles using Pentacam. The fellow unoperated eye was used as the control eye. The study included 66 eyes and 33 patients; 21 males,...

Two centuries later, braille is still as important as ever, says teenage sight loss campaigner

Braille, the system of raised dots that has enabled blind people to read and write, is as vital as ever, and has adapted to the advances of new technology, says RNIB, Scotland's leading sight loss charity.